HCID 10755187, compound → HCID 10824576, compound

Participants

Reaction Steps

A mixture of 4-[(2,5-dimethyl-1H-pyrrol-1-yl)sulfonyl]nitrobenzene (Step 1) (7.3 g, 26 mmol) and Raney Nickel (0.7 g) in 70 mL of methanol was hydrogenated in a Parr apparatus at a pressure of 50 psi. After 3 hours, the catalyst was filtered and the filtrate was concentrated to give 4-[(2,5-dimethyl-1H-pyrrol-1-yl)sulfonyl]benzenamine (6.4 g) as a pale yellow solid: mp (DSC): 110-111° C. Anal. Calc'd. for C12H14N2O2S: C, 57.58; H, 5.64; N, 11.16; S, 12.81. Found: C, 57.44; H, 5.78; N, 11.11; S, 12.30.

Provenance & Evidence